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// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

//! Signal handler
//!
//! Only works on unix like environments

pub use self::details::wait_for_signal;

#[cfg(unix)]
mod details {
    use logger::info;
    use signal_hook::{consts::TERM_SIGNALS, iterator::Signals};

    pub fn wait_for_signal() {
        let mut sigs = Signals::new(TERM_SIGNALS).expect("Failed to register signal handlers");

        for signal in &mut sigs {
            if TERM_SIGNALS.contains(&signal) {
                info!("Received signal {}, stopping server...", signal);
                break;
            }
        }
    }
}

#[cfg(not(unix))]
mod details {
    pub fn wait_for_signal() {}
}
